702 PATAGONIAN EXPEDITIONS ! BOTANY. 



drical tube, much exceeding the calyx ; pale green, with 5 rounded lobes. 

 Stamens and style slightly exsert. (Fig. 90, except right figure.) 

 S. Patagon., at Puerto Madryn. 



5. LYCIUM DURISPINA Dusen. 



Shrub, under i m. high, intricately branching, very rigid, spinose. 

 Cortex smooth, rimose. Leaves solitary or fasciculate, short, mostly 

 clavate, obtuse, sessile, entire, fleshy, glandular. Flowers 1-3 in the 

 fascicles, short-pediceled. Calyx short-cylindraceous, 4-cleft, the seg- 

 ments broadly triangular. Corolla white, cylindraceous, twice as long 

 as the calyx, 4-lobed, with rounded, revolute segments. Stamens and 

 style slightly exsert. (Fig. 90, right figure.) 



Allied to L. ameghinoi Speg. 



Patagon., near mouth of Rio Chubut, at Rawson. 



6. L. ELONGATUM Miers. 



Armed. Glabrous, branching shrub, the branchlets spinescent, flexu- 

 ose, glaucous-gray. Leaves 4-8, fascicled, linear-subulate, obtuse, long, 

 attenuate-petiolate, rather fleshy. Flowers solitary in the fascicles, short- 

 pediceled. Calyx cylindrical, its subulate lobes as long as its tube. Co- 

 rolla narrow-tubular, externally hairy, its lobes very short, rounded. 

 Stamens unequal, included. Style exsert. Small, scarlet, ovate berry. 



(Argentina); Patagon., by Rio Negro; Puerto Madryn. 



7. L. FILIFOLIUM Gill. 



Unarmed. Small shrub, with feeble branches on the ground, glabrous. 

 Leaves narrow-linear (about 14 by three-fourths mm.), thickish. Flowers 

 slender pediceled, solitary. Calyx cup-like, 2 mm. long, 5-6-costate and 

 toothed, somewhat hairy. Corolla-tube thrice as long, with a beaded 

 basal ring, 5-6 oblong lobes, shorter than its tube. Stamens 5-6, in- 

 serted in the narrowed part of the tube, protruding. 



(Argentina, Tschayem); N. Patagon. 



L. FILIFOLIUM MINUTIFOLIUM MierS. 



Branches almost filiform. Leaves 4-5 mm. by one-half mm. Calyx 

 3 mm. long. Berry red, 4 mm. diam. 

 Patagon. 



